Phng php thit lp Ghost ServerI.Ci t - Ci t ghost server 8.2 - Ci t 3Comdab II. To file IMAGE.SYS v IMAGE.PXE - Start program symantec Ghost Ghost Boot Wizard - La chn TCP/IP Network ghost client boot image

- Nhp Next trn mn hnh xut hin hp thoi

-

La chn card mng s dng Realtek RTL8139 fast Ethernet

- Nhp Next trn mn hnh xut hin hp thoi

- Chn Use PC-DOS

- Nhp Next - La chn Symantec ghost Console Client

-

Nhp Next chn DHCP will assign the IP settings

-

- Chn Browse tm n ng dn cha file image.sys

- Nhp Next

- Nhp Next - Finish To image.pxe - Start Program 3Com boot Service Boot image Editor

- Nhp Next - B NetWare

- Nhp Next Finish

- Nhp Creat a PXE menu boot file

-

Nhp Add- Browse chn file image.sys- Open Save sau t tn image .pxe

- Gh b 3Comdabs IV. Ci t Bxp 2.5 - Copy 2 file image.sys, image.pxe t th mc D:\ghost vo C:\Program Files\Venturcom\BXP\Tftpboot - Start Program venturcom Bxp- Bxp IO Service Preferences nhp Browse chn th mc cha file image.sys

- Start Program venturcom Bxp- Bxp Login Service Preferences nhp

- Khi to dch v 3Com BOOTP , 3Com PXE, venturcom TFTP Service t Control Panel - Start Settings Controlpanel - 3comBOOTP

- Nhp Network

Nhp chn Logging

- Khi to dch v 3Com PXE

Nhp chn Network adapter v Logging tng t nh trn - Khi to dch v venturcom TFTP Service - TFTP Loggin-

- Nhp TFTP Network

- Khi to dch v Start Program Administrator Tool Service

- Nhp phi vo tng dch v chn Properties t Automatic start

- Cu hnh BOOTPTAB Editor Start Program Venturcom BOOTPTAB Editor - Kicks p vo VLDClient

- Nhp vo Browse chn ng dn ti image.pxe C:\Program Files\Venturcom\BXP\Tftpboot \image.pxe

- Chn image.pxe Open OK Save V. To file Ghost t my client - Start Program Symantec ghost Ghost cast server

-Nhp vo Creat: T bn ghost - Phn Session Name : tn min thc thi - Phn Image file :ng dn ti folder cha file ghost . - Disk No :1 - Sau Copy phn lnh Command Line Hiu chnh file Autoexec.bat - Ci t phn mm IMGEDIT - Nhp Next B Netware Next Finish

Nhp vo Edit an Existing file C:\Program Files\Venturcom\BXP\Tftpboot \image.sys - Nhp phi vo Autoexec.bat chn Edit-

- Trn mn hnh xut hin

- Xa b NGCTDOS.EXE

-

Sau nhp : ghost v paste( Command line copy phn trn) thm ( -sure rb)

- Nhp OK kt thc - Trn Ghost cast server Nhp Accept Clients VI. Trn my cn to nh thit lp ( First Boot Device : LAN ) VII. Ghost t Server - Sau khi to nh ghost xong cn thit lp li cc dng lnh ( Command linenhp vo Restore Image ) nh phn trn bng cch copy nh sau :

- Sau khi thay i dng lnh trong Autoexec.bat thc hin ghost :

- Client Count : S my cn ghost - Time out : thi gian hy b - Nhp Accept Clients kt thc - Ti cc my Client thi thit lp BOOT t : LAN

Thit lp BOOT ROM BXP 2.5CHUN B TRC KHI CI TMy ch:- H iu hnh cho my ch c th l: Windows XP, Windows 2000 Professional, Windows 2000 Server, or Windows 2000 Advanced server. Tt nht nn chn Windows 2000 Advanced server v ci bn service pack mi nht (hin ti l service pack 4) - a cng : Tu theo cch ci t l dng chung cng (Share Image) hoc ring mi cng cho client (Private Image) chn cho ph hp. VD: nu ci theo kiu Share Image cho tt c cc client bn ch cn cng khong 15GB cng , Trong trng hp ci Private Image, VD mi image client l 3.5GB h thng mng ca bn c 20 client th phn cng ca my ch cha cc image ca tt c 20 client l 3.5*20 =70GB, v vy bn c th dng 80GB cho h thng mng. cng phi chn loi 7200rpm (hoc tt hn na l SCSI) .

My con (Client)My con c th chy bootrom vi Windows2000 Professional hoc WindowsXP Professional, tuy nhin trong bi ny ch cp n WindowsXP Proessional m thi. - Mi my con phi c 1 card mng vi bootrom PXE (version v.99j hoc cao hn). Card mng phi thuc 1 trong 3 loi sau: 3com905C, Intel Pro/100, RTL8139. Trong bi hng dn ny ti da trn theo m hnh nh sau: 1. My ch: ci Windows2000 Server (cha ci service pack), cu hnh Domain, ci sn dch v DHCP, cng c nh dng theo NTFS. Giao thc chnh lTCP/IP vi a ch c khai bo cho my ch l 192.168.0.1. To sn cc account cho my con t USER01, USER02, USER3.... 2. My client: chun b sn mt my client c cng (gi l cng tham kho) ci sn Windows XP v cc ng dng cn thit nh Microsoft Office, font...., To mt account l USER01 vi quyn admin v khi khi ng t ng log on bng user ny. Trong phn Computer name khai bo tn l USER01, cn phn khai bo v mng ta khai bo Workgroup (mc d khai bo domain hay workgroup u c nhng nn khai bo workgroup qu trnh log on vo my ch s nhanh hn). My con phi c giao thc TCP/IP (mc nhin khi ci card mng c). Phi bo m my con thng mng vi my ch trc khi tin hnh ci BXP.

PHN 1 Ci t BXP my chTrc khi ci BXP 2.5, nu trong my ch ca bn c mt phin bn no trc ca BXP 2.5 nh 3Com VLD, BootNic, BXP2.0 th bn phi remove khi h thng cng nh xa cc th mc lin quan n chng ri mi tin hnh ci BXP2.5.1. Double-click vo file BXP 2.5, y l file nn t bung nn chng trnh s thc hin qu trnh gii nn sau mi tin hnh ci t. 2. Hp thoi Setup type s xut hin nh sau

3. Chn Full Server v click Next 4. Tip theo hp thoi Select Components s xut hin:

Bn tt du check phn Tellurian DHCP Server (Phn ny ch chn khi my ch khng ci dch v DHCP, VD nh trng hp my ch ci h iu hnh Windows XP, Windows 2000 profession) 5. Tip tc cho n hp thoi ng k xut hin nh sau:

(Do ti son tho bi ny khi cha c crack nn phn ng k ny ti khng trnh by chi tit c, ch dng y m thi) Nu bn mun dng th th in y cc thng tin cc mc (khng cn chnh xc), ch b trng 2 mc l License key v License request v click Obtain Trial. Cch ny cho php bn dng th 1 thng vi mt h thng mng ch c 5 client m thi. Tuy nhin lc ny my bn phi kt ni internet nhn thng tin t WWW.VCI.COM th vic dng th ny mi c cho php. 6. Nu my ch chy Windows XP s c mt thm mt hp thoi Found New Hardware xut hin ci t driver cho cng o ca BXP

Bn ch vic click Next, tip theo l hp thoi xc nhn vic ci t ny, bn ch vic click Continue anyway l hon tt qu trnh ci t BXP my ch.

1. Ci t cc thnh phn ca BXP ServerGm c cc dch v (Service) sau 3Com PXE Service (hoc 3Com BOOTP Service) BXP TFTP Service BXP Login Service BXP IO Service

Chn loi PXE hoc Boot TPCc loi card mng c h tr bootrom PXE c hai loi nh sau:

- Loi h tr DHCP: y l loi thng dng, trong qu trnh boot, DHCP my ch s da theo a ch MAC cung cp a ch IP cho my con - Loi h tr BootTP (t gp), vi loi ny ta phi cu hnh trc c a ch IP ng k trc tng ng vi a ch MAC ca n. Do loi ny t c trn th trng nn trong bi ny ti khng trnh by cc phn lin quan n Boot TP, cc bn sau ny c nhu cu s dng n c th tham kho ti liu i km vi BXP

1-1. Cu hnh cho PXE Service1. T Start\Setting\Control Panel Double click vo biu tng 3COM PXE . Nu c mt thng bo xut hin rng dch v PXE cha khi ng, bn click Yes b qua v tip tc. Hp thoi sau s xut hin

2. T tab Options , kim tra bo m ng ng dn mc Datafile l C:\Program Files\Venturcom\BXP\TFTPBOOT > Nu sai, bn c th click Browse chn li. 3. Nu dch v DHCP ang hot ng my ch th mc nhin mc Proxy DHCP s b m (Ch chn mc ny khi dch v DHCP chy mt my ch khc) 4. Click vo tab Network Adapters , hp thoi sau s xut hin

Kim tra du check phi c chn a ch IP ca card mng dng chy dch v ny l 192.168.0.1 5. Click OK thot khi hp thoi ny.

1-2. Cu hnh cho Venturcom TFTP Service1.T Control Panel, double click vo biu tng Venturcom TFTP Service. Hp thoi s hin ra nh sau:

2. Kim tra xem ng dn mc Transmit (GET) directory (ch n file Vldrmi13.bin) ng l C:\Program Files\Venturcom\BXP\TFTPBOOT

3. Kim tra mc Allow Transmit c chn 4. Click tab TFTP Network v click chn vo phn a ch IP ca card mng chy dch v ny : 192.168.0.1

Ch : PXE and TFTP Servers phi c gn cng mt card mng5. Kim tra Port number phi l 69 6. Click tab TFTP Logging . Do trong qu trnh hot ng, BXP TFTP Server s log cc thng bo ca mnh n System Event log ca Windows 2000 nn y bn c th chn mc to ra cc thng tin , Maximum l Log All Events. 7.Click OK save v thot khi hp thoi.

1-3. Cu hnh BXP IO Service1.T C hoc D ca my ch (phi c nh dng bng NTFS), to mt th mc lu tr cc file image ca cc Client. VD l D:\VDISKS 2. T Start\Programs\Venturcom BXP chn BXP IO Service Preferences. Hp thoi sau s xut hin

3. Click Browse, chn ng n th mc D:\VDISKS to bc1 4. phn IP Settings, chn card mng c dng cho dch v ny bng cch click chn vo a ch IP tng ng, y l 192.168.0.1 5. mc Port phi ng l 6911 6. Click OK save li v thot khi hp thoi.

1-4. Cu hnh BXP Login Service1. T Start\Programs\Venturcom BXP chn BXP Login Service Preferences. Hp thoi sau s xut hin

2. Kim tra ng dn mc Database ch n file VLD.MDB l C:\Program Files\Venturcom\BXP\VLD.MDB. 3. Click chn vo mc Add new clients to database sau ny c th ci t cc client mt cch t ng 4. Chn loi card mng dng cho dch v ny bng cch click check vo a ch tng ng, y l 192.168.0.1 5. Click OK.

2. Khi ng cc dch v ca BXP c cu hnh1. T Control Panel, double click vo biu tng Administrative Tools, tip theo double click tip vo biu tng Services, (hoc c th chn Star\Program\Administrator Tools\Services) hp thoi sau s xut hin:

C 7 dch v lin quan n BXP, y chng ta ch cu hnh 6 dch v nh sau (b qua 3Com BOOTTP.) 1. 2. 3. 4. 5. 6. 3Com PXE BXP TFTP Service BXP Adaptive Boot Server BXP IO Service BXP Login Service BXP Write Cache I/O Server

cu hnh cho dch v 3Com PXE bn click chut phi ri chn Properties (hoc double click chut tri cng c), sau t hp thoi hin ra click nt Start khi ng dch v, tip t mc Startup type thay i t Manual sang Automatic. Sau chn OK save li. Tip theo bn ln lt lm tng t cho cc dch v cn li theo th t nh 6 dch v lit k trn. Sau khi cu hnh xong cho 6 dch v trn, bn c th kim tra li bng cch nhn vo ct Status v Startup Type trn bng Services xem 6 dch v c khi ng v c cu hnh l Automatic hay cha.

(Ch : sau khi khi ng dch v BXP Write Cache I/O Server th trongth mc cha cc file Image (D:\VDISKS) s to ra mt th mc con l WriteCache, chi tit v th mc ny ti s trnh by cc phng php cache ..)

3. Cu hnh cho BXP Administrator- T Start\Programs\ Venturcom BXP, chn BXP Administrator, mn hnh BXP Administrator s xut hin nh sau:

Trong phn BXP Administrator chng ta s cu hnh cc thnh phn sau:- Cu hnh bootstrap file

- Cu hnh IO Server - Tao cng o (image) cho client - Format cng o - ng k client vo c s d liu ca BXP (to user) - ng k cng o cho client *Vi mn hnh ca BXP Administrator chng ta c 3 cch nhn trong qu trnh ci t nh, thay i cch nhn chng ta c th chn li du check t menu View: 1. Client -> Disk: Lit k ch cc client c trong s d liu ca BXP (cc my con c ci t). Khi bn click vo mt client no , n s lit k cc cng o (image) dnh cho client 2. Server -> Disk: Cho php bn thy cc cng o c to trn my ch 3. Server -> Client -> Disk: Cho php bn nhn tt c cc client, image v Server (IO server) c ci t

3-1. Cu hnh cho BootstrapBootstrap file l file cha thng tin khi ng m bootrom s tm n khi ng qu trnh u cho cc client. Vi BXP th file l VLDRMIL13.BIN. cu hnh cho Bootstrap ta lm nh sau: 1.Trong mn hnh BXP Administrator, chn menu Tools, chn tip Configure Bootstrap.

2. phn Path khai bo ng dn n file VLDRMI13.BIN. Mc nhin ng dn ny l

C:\Program Files\Venturcom\BXP\TftpBoot\ VLDRMI13.BIN 3. Chn du check mc Use BOOTP\DHCP Resolved nu cha c 4. Chn du check mc Use Database Values nu cha c 5. Chn Verbose Mode hin th thng tin chi tit qu trnh boot khi khi ng ca my client (VD: IP ca my ch, my client, DHCP...). Khi bn hon tt qu trnh ci t cho h thng mng th c th tt mc ny qu trnh khi ng client nhanh hn. 6. Click OK save v thot khi hp thoi.

3-2. Cu hnh cho IO Server1. mn hnh ca BXP Administrator, t menu File chn New\Server. Hp thoi New IO Server xut hin nh sau

2. phn Name bn g vo tn ca my ch, trong VD ny l SERVER. Nu g ng tn th khi bn click tip vo nt Resolve mc IP Address s t hin th ln a ch IP ca my ch l 192.168.0.1 4. Phn Port mc nh l 6911 5. Phn Description bn c th g mt thng tin bt k lin quan n IO Server, hoc bn trng cng c. Lc ny trong mn hnh ca BXP Administrator s c thm mt biu tng server na, l IO Server mi c to.

3-3. To cng o - Virtual disk1. Vn t mn hnh ca BXP Administrator, t menu View bn chn du check hng Server ->Disk. Lc ny trn mn hnh ca BXP Administrator bn ch thy mt

server l I/O server mi to bc trn, ng thi biu tng New Disk trn thanh cng c s chuyn sang mu xanh lc. 2.T menu File chn New\Disk, Hp thoi Add Virtual Disk s xut hin

Mc nhin mc Path ch n ng dn D:\VDISKS nh ta to trn, nu sai click Browse to li. 3. Click vo mc New disk (mc nhin c chn) 4. mc Virtual disk size in MB bn g vo dung lng ca cng o mun to, maximum l 8024MB (8GB). nu partition cha th mc VDISKS ca my ch bn l FAT32 th ti a ca cng o c to l 4GB m thi. 5. mc Disk name bn g vo tn file image ca cng o mun to, VD l VIRTUALXP (khng cn c phn m rng) 6. mc Description bn g vo mt ch bt k m t file image ny, hoc khng cn cng c. -Ch : mt khi cng o c to th khng th thay i li dung lng ca n, mun thay i ch c cch l to mi khc m thi. V vy trc khi to image bn phi tnh chnh xc dung lng cn thit khi phi thay i li sau ny. 7. Click OK hon tt. Qu trnh to cng o c th mt vi pht (chm hn rt nhiu so vi khi ci 3Com VLD v BootNic). BXP cho php mt client c n 4 cng o, nu bn to cho 1 client 4 cng th khi khi ng trong Windows ca Client s c 4 k t a l C,D,E,F.

3-4 Format cng o c to bc trnVi phn mm 3Com VLD, vic format cng ny c to my client v dng lnh format ca Dos thc hin. Cn t Bootnic n BXP 2.0 v BXP 2.5, do c h tr nh dng cng ca client l NTFS nn vic format ny c thc hin my ch.

my ch nhn din c cng ny format, BXP cung cp mt tin ch trong phn BXP Administrator cho php map file image ca client thnh mt a trn my ch . Vi cch ci Private Image chng ta phi tin hnh thao tc ny ln lt cho tng cng o ca tt c cc client trong mng!. Cch thc hin nh sau 1. T mn hnh BXP Administrator, click vo menu View, sau click chn vo Server->Disk. 2. Click vo biu tng ca server (IO Server), n s hin th cc cng o c sn (trong phn trc cng ta to c mt cng o c tn l VIRTUALXP), tip theo click chn vo cng o VIRTUALXP v t menu Tools chn Map Virtual Disk. Lc ny bn s thy cng o VIRTUALXP s chuyn sang mu xanh lc Ch : Ch map cng o khi khng c client no ang s dng n! 3. Sau khi map xong, trong My Computer hoc Windows Explore ca my ch s xut hin thm mt cng nh hnh sau:

4. Click chut phi vo a ny v chn format nh bng sau:

* Sau khi format xong ta tin hnh Un-map tr li trng thi gc cho n - T mn hnh ca BXP Administrator, click vo menu View vo chn Server>Disk. - Chn vo cng o ta va tin hnh map v format, T menu Tools ta chn li Map Virtual Disk mt ln na, biu tng cng o VIRTUALXP s tr li mu bnh thng v ng thi trong My Computer ca my ch biu tng cng c map bc trn s bin mt.

3-5. To cc Client (cn gi l to user) to client ta c 2 cch: T ng v th cng:

A. To Client bng phung php t ngVi cch ny phi bo m l trong phn BXP Login Service bn c chn option Add new clients to database( xem li phn 1-4) 1. Ln lt khi ng cc my con (my con phi c chn t Cmos Setup hoc t cu hnh ca BootRom PXE l boot t rom trc!). Lc vi my u tin s c mt mn hnh khi ng nh sau:

1. mc Client Name bn g tn ca client1, chng hn l USER01, mc Description g vo thng tin m t user01 ny, hoc bn trng ri nhn Enter. Lc ny c s d liu ca BXP t ng to ra mt USER01 *Bn c th kim tra li USER01 ny nh sau: - T mn hnh ca BXP Administrator, Chn menu View v chn tip Client>Disk, click tip vo biu tng ca Clients bn s thy xut hin biu tng USER01. Mun xem chi tit hn bn click chut phi vo USER01 v chn Properties, s thy xut hin bng nh sau

2. Tip theo bn lm ln lt vi cc my cn li l USER02, USER03...

B. To Client bng phng php th cng1. Vi cch ny, trc tin bn khi ng tt c cc my con trong mng, ri t mn hnh khi ng ging nh trn bn ghi li tt cc cc a ch MAC (Local Mac) 2. T mn hnh BXP Administrator, Chn menu File, tip theo chn New\Client, hp thoi New client s xut hin nh sau:

3. mc Name, bn g vo USER01 4. mc MAC, bn nhp vo a ch ghi li ca USER01 bc 1 5. mc Description bn c th g vo mt thng tin bt k v USER01, hoc l trng cng c. 6. Click OK hon tt 7. Tip theo bn lm tng t nh vy cho USER02, USER03... *Ch : C 2 cch to Client ny cch no cng tt c, tuy nhin chn cch 1 nhanh hn v cng khng xy trng hp nhp sai a ch MAC.

3-6 ng k cng o c to trc cho Client1. T mn hnh BXP Administrator chn menu View, tip theo click chn vo Server->Client->Disk. 2. Click chut phi vo mt client, chng hn l USER01 v chn Properties. 3. Click vo tab Disks nh hnh di

4. mc Boot order, chn Hard Disk First 5. Click vo nt Change, hp thoi sau s xut hin

6. T mc , Click vo biu tng ca IO Server, n s hin ra danh sch cc cng o c to t trc, chng hn l VIRTUALXP. 7. Click vo biu tng Image l VIRTUALXP v click vo nt Add 8. Click OK 2 ln hon tt Nh vy l bn ng k cng o VIRTUALXP cho USER01, sau ny bn to nhiu user v nhiu cng o th phi thc hin ln lt cc thao tc trn ng k mt cng o no cho mt client no . (y xem nh chng ta ang ci theo phng php Private Image).

PHN 2

CI T MY CLIENT1. T mt my bt k, chng hn l USER01, gn cng tham kho ci sn WinXP Professional. V phn giao thc mng ta khng khai bo g phn TCP/IP c. phn Computer name (Click chut phi vo My Computer chn Properties, tip theo chn tab Computer Name v click nt Change khai bo - mc Computer name g vo USER01 - mc Member of ta c th khai bo l thuc Domain hay Workgroup u c, tuy nhin nn chn l Workgroup qu trnh ng nhp vo mng nhanh hn. Workgroup ta khai bo vo tn Domain ca my ch. - Tip theo to cho WinXP ca my client mt user chng hn l USER01 vi quyn Admin - Sau khi ng li my v log vo vi USER01, phi bo m l my client ny thng mng vi my ch, nu khng phi kim tra li cc bc trn. 2. Click vo file BXP25.exe tin hnh phn ci t cho client Hp thoi sau s xut hin

3. Click vo mc th 3 l Client ri click Next 4. cc mn hnh k tip bn ch vic click Next 5. Tip theo s xut hin mn hnh Found New Hardware Wizard nh sau

Bn ch vic click Next hoc l Continue anyway, sau qu trnh ci t kt thc v yu cu bn khi ng li my. 6. Tip theo bn khi ng li my v khai bo l bootrom s u tin khi ng trc. Do phn BXP Administrator ( my ch) trong cu hnh cng o ca client ta khai bo l Hard Disk first (xem li phn 3-6) v vy my client sau khi khi ng bng bootrom kt ni vi server ca BXP s chuyn tip qua khi ng h iu hnh WinXP t cng tham kho ca n. Nu cc bc trn u tt p th khi vo My Computer bn s thy xut hin thm mt a na nh sau: ( E:)

Tip theo l qu trnh copy ton b partition khi ng WinXP (mc nhin l C) qua cng o trn my ch ( E:) 7. T Start\All Programs\Venturcom BXP, chn Image Builder

8. mc Destination Path bn g vo k t a mi xut hin thm trong My Computer ( trong VD ny l E:) 9. Click Build tin hnh copy, nu thy bo li th bn tt du check mc Delete all files and.... Qu trnh copy s din ra trong vi chc pht Sau khi qa trnh copy kt thc, my Client bn tho cng ra v cho boot bng Bootrom. Cn my ch bn vo BXP Administrator, t menu View chn Client->Disk, click chut phi trn USER01 v chn Properties, tip theo click vo tab Disks, mc Boot order bn chn li l Virtual Disk First (xem li phn 3-6) - Xem nh n y bn hon thnh cho client USER01, n c th khi ng bootrom vi Windows XP mt cch nh nhng nh l khi chy t cng tham kho.

PHN3

CI T CACHEMc d cc bc trn chng ta ci t hon chnh mt my boot c t bootrom v c th tip tc nh vy hon tt cho mt dn my mng khng cng chy WinXP. Tuy nhin BXP2.5 a ra mt cng ngh mi m cc version trc cha c, l c ch cache cho my con. Bn no tng ci mng bootrom vi 3Com VLD hoc Bootnic s thy c 2 nhc im sau: 1. Do ch c duy nht mt cch ci l dng ring mi cng cho my con (Private Image) nn dn n bng thng ti trn mng s rt ln, qu trnh khi ng cng nh chy cc ng dng ca client rt chm. 2. Mi client xem nh c mt cng ring hon ton nn ngi s dng c th xo file, thay i cu hnh... dn n hay b trc trc v phn mm, h Windows... BXP2.5 khc phc c 2 nhc im bng cch a ra cc phng php cache rt thng minh.

1. Cc phng php cache ca BXP 2.5:1. Private Image vi c ch Ram cacheMi client c mt cng o ring theo phng php Private image, tuy nhin trong qu trnh hot ng client, mi thao tc ghi ln cng nh to, xo file, thay i cu hnh... s ghi tm ln Ram ca my Client. Sau khi my client khi ng li h thng s tr v trng thi c. N s cho to cho cc my client mi ln khi ng li u tr v trng thi c, "mi nh lc u"

*u im:

- Mi client c th tr li cu hnh c d dng bng cch khi ng li my * Nhc im: - Mi s thay i trn cng o u khng c tc dng - Ram ca h thng s b gim lm cache

2. Private image vi c ch Server cache:Phng php ny cng ging nh trn, ch thay i l thay v cache trn ram th s chuyn qua cache mt phn cng trn my ch nh hnh minh ho. Mi ln my client khi ng, file cache trn my ch s c reset dung lng v 0.

Phng php ny so vi Ram cache c mt u im l khng lm gim Ram h thng ca cc client.

3. Phng php dng chung cng o (Shared Image) vi Ram cacheHnh minh ho nh sau:

Trong phng php ny, tt c cc client u dng chung mt cng o, bi vy bt but phi dng ch cache, y l cache bng Ram ca client *u im - Bng thng ti trn mng s gim -> qa trnh khi ng cng nh chy ng dng ca cc client s nhanh hn. *Nhc im:- Mt phn Ram ca my client phi dng lm cache

4. Phng php dng chung cng o (Shared mage) vi Server cache

Tng t nh trn nhng chuyn cache t Ram ca client sang cng ca my ch. Mi ln my client khi ng, file cache trn my ch s c reset dung lng v 0.

2. Cch ci t Cache2-1 Ci t cache vi phng php Private ImageSau khi cc client c th khi ng WinXP vi phng php Private Image, ti u ha hot ng ca cc my client ta phi cu hnh Cache cho n theo cc phng php cache nu trn. 1. T Start\Program\Venturcom BXP, click vo BXP Config, hp thoi sau s xut hin.

2. Click nt ch n cng o cn cu hnh, VD mun cu hnh cache cho USER01 chn D:\VDISKS\VIRTUALXP Ch : Phi bo m l client USER01 hin ti ang tt my ta mi cu hnh cho cng o VIRTUALXP c. Khi mun cu hnh cache cho cng o no th client tng ng phi tt my. 3. Click chn vo Enable write cache, tip theo click chn vo Cache on server disk hoc Cache in client RAM (chn dung lng RAM bn tri dng lm cache) cu hnh l cache trn server hoc cache trn Ram.

4. Click OK hon tt (Vi cc client cn li ta cng lm tng ng) Sau khi chn cache trn server nh trn, trong qu trnh hot ng, my ch trong th mc D:\VDISKS\WriteCache s xut hin cc file tm vi dung lng vi MB n vi chc MB. Ch . Vic cu hnh cache ny s c ghi li vo chnh cng o m bn chn ch khng lin quan g n client cng nh my ch c.. Client no c ng k vi cng ny s c chc nng cache nh vy. Bn mun tt i chc nng cache th phi chn li ng cng o v tt i du check mc Enable write cache Do chc nng cache rt tuyt vi, v vy khi client boot c t Rom bn phi chc chn cc ng dng chy n nh v y th mi tin hnh khai bo chc nng cache ch khng thi khi cache ri th mi ln my client hot ng , mi s ci t thm ng dng hoc cu hnh li u khng c tc dng sau khi khi ng li my.

2-2 Ci t Share Image - Multicash v cacheVi phng php Share Image, cc client trong mng (USER01, USER02, USER03...) u c ng k vi ch mt cng o. Trong trng hp ny chng ta chn VIRTUALXP lm cng share, v vy chng ta phi tin hnh vic ng k a o ny cho tt c cc client trong mng trc khi khai bo Multicash nh bc tip theo. 1. T hp thoi trn click chn vo Enable Multicash boot. 2. mc Multicash address gi nguyn a ch IP hin sn l 233.x.x.x 3. Click OK hon tt Sau khi ng client u tin c khai bo s dng cng o VILTUALXP. Qu trnh khi ng ln u ny c th lu hn bnh thng. Khi chn Multicache, trong th mc D:\VDISKS s xut hin thm mt file *.abs, chng hn trong trng hp ny l USER01.ABS. y l file cha thng tin tt c cc client khi ng cc client trong qu trnh u. Ch : Vi phng php Private image chng ta c th chn dng cache hoc khng nhng vi phng php Share image - Multicash ny bt buc phi dng cache. *Nu bn khai bo my client log on vo my ch vi kiu khai bo Domain ch khng phi Workgroup, bn phi khai bo thm my ch v client nh sau: - my ch, bn chn Command Prompt, sau di chuyn n th mc C:|Program Files\Venturcom\BXP v gi lnh sau: BNSETCA USER01 BNSETCA USER02 BNSETCA USER03 .... Bn thc hin vi ht tt c cc user trong h thng mng. client bn lm nh sau:

Vo Control Panel, click vo Administrative Tools ->Local Security Policy. T ca s hin ra double click vo mc Local Policies, tip theo double click vo Security Options. Tip theo t ca s bn phi double click vo mc Disable machine account password change, click chn vo mc Enable v OK thot. Ch : my client ch lm thao tc ny khi cha khai bo cache!.

------------------------******--------------------------Vic ci h thng mng Bootrom dng BXP 2.5 ng ra l khng kh hn cc phin bn trc ca n nh 3ComVLD, Bootnic. tuy nhin do WindowsXp l mt h iu hnh rt "kh chi", rt kn phn cng... nn vic ci t kh hn v mt thi gian nhiu hn. VD: vi phng php Private image, sau khi ci xong cho USER01, bn phi a cng tham kho qua my ca USER02, nu my khi ng c, nhn cu hnh tt th bn tin hnh vic i tn account cho user, computer name v remove Venturcom BXP . Vic ny hon ton th cng. Sau khi my USER02 vi cng tham kho c th log vo my ch vi tu cch hon ton l USER02 th ta tin hnh ci li Venturcom BXP ri Build qua cng o ca n. Vic ny lm ln lt cho ht cc client trong h thng. - Vi phng php Share image, ta ch Build mt ln nhng yu cu cc client phi c phn cng ging nhau, thm ch card mng cng c gn slot cng ging nhau. *Tuy nhin , vi ti c l y l mt cng ngh mng Bootrom tuyt vi nht. Cc client chy kh nhanh, hn c khi ci Bootnic vi clien Win2000 professional. C ch cache rt hiu qu. Mt ln bn khi ng my th lun thy y nh l Windows XP mi c ci t xong, khng c du hiu g ca nhng ngi s dng khc cng nh kh b hng chng trnh do ngi s dng quy... Trong qu trnh vit bi ny ti thc hnh trn m hnh my ch l Celeron 1.1GB, 2 my client l Dell PII 266MHZ, tt c cc my Ram l 128MB. Cc my client chy kh nh nhng. Bn BXP2.5 ti ci l Evaluation nn ch cho php ci vi 2 client m thi. Cng do gii hn v client nh vy nn bi vit ny c th cn nhiu thiu st mong cc bn thng cm.